33 lines
636 B
Rust
33 lines
636 B
Rust
//@ run-pass
|
|
// Test stack overflow triggered by evaluating the implications. To be
|
|
// WF, the type `Receipt<Complete>` would require that `<Complete as
|
|
// Async>::Cancel` be WF. This normalizes to `Receipt<Complete>`
|
|
// again, leading to an infinite cycle. Issue #23003.
|
|
|
|
//@ pretty-expanded FIXME #23616
|
|
|
|
#![allow(dead_code)]
|
|
#![allow(unused_variables)]
|
|
|
|
use std::marker::PhantomData;
|
|
|
|
trait Async {
|
|
type Cancel;
|
|
}
|
|
|
|
struct Receipt<A:Async> {
|
|
marker: PhantomData<A>,
|
|
}
|
|
|
|
struct Complete {
|
|
core: Option<()>,
|
|
}
|
|
|
|
impl Async for Complete {
|
|
type Cancel = Receipt<Complete>;
|
|
}
|
|
|
|
fn foo(r: Receipt<Complete>) { }
|
|
|
|
fn main() { }
|